<template>
  <div class="login-container">
    <el-form
      id="aaa"
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >
      <h3 class="title">
        <img src="@/assets/common/login-logo.png" alt>
      </h3>

      <el-form-item prop="mobile">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="loginForm.mobile"
          placeholder="请输入手机号"
          name="username"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="请输入密码"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>

      <el-button
        v-ripple="'rgba(51, 204, 51, 0.5)'"
        :loading="loading"
        type="primary"
        style="width:100%;margin-bottom:30px;"
        class="loginbtn"
        @click.native.prevent="handleLogin"
      >登录</el-button>

      <div class="tips">
        <span style="margin-right:20px;">账号: 13800000002</span>
        <span>密码: 123456</span>
      </div>
    </el-form>
    <!-- <Button /> -->
    <vue-particles
      color="#dedede"
      :particle-opacity="0.7"
      :particles-number="200"
      shape-type="circle"
      :particle-size="1"
      lines-color="#dedede"
      :lines-width="1"
      :line-linked="true"
      :line-opacity="0.4"
      :lines-distance="150"
      :move-speed="3"
      :hover-effect="true"
      hover-mode="grab"
      :click-effect="true"
      click-mode="push"
    />
  </div>
</template>

<script>
// import { validUsername } from '@/utils/validate'
// import { login } from '@/store/modules/user'
export default {
  name: 'Login',
  components: {
  },
  data() {
    const mobileReg =
      /^(?:(?:\+|00)86)?1(?:(?:3[\d])|(?:4[5-79])|(?:5[0-35-9])|(?:6[5-7])|(?:7[0-8])|(?:8[\d])|(?:9[189]))\d{8}$/
    const passwordReg = /^[a-zA-Z0-9_-]{6,12}$/
    const validatePassMobile = (rule, value, callback) => {
      if (value === '') {
        callback(new Error('请输入手机号'))
      } else {
        if (mobileReg.test(value)) {
          callback()
        } else if (value === '13800000002') {
          callback()
        } else {
          callback(new Error('请输入正确的手机号'))
        }
      }
    }
    const validatePassPassword = (rule, value, callback) => {
      if (value === '') {
        callback(new Error('密码不能为空'))
      } else {
        if (passwordReg.test(value)) {
          callback()
        } else if (value === '123456') {
          callback()
        } else {
          callback(new Error('密码长度位6-12位，包含下划线 数组 字母'))
        }
      }
    }
    return {
      loginForm: {
        mobile: '13800000002',
        password: '123456'
      },
      // 定义登录 规则 --正则
      loginRules: {
        mobile: [{ validator: validatePassMobile, trigger: 'blur' }],
        password: [{ validator: validatePassPassword, trigger: 'blur' }]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate(async(isOk) => {
        if (isOk) {
          try {
            this.loading = true
            await this.$store.dispatch('user/login', this.loginForm)
            // async标记的函数实际上一个promise对象
            // await下面的代码 都是成功执行的代码
            //  aawait 下面的代码 都是成功后 才会执行的代码 如果是失败的 不会进入下面的代码
            this.$router.push('/')
            this.loading = false
          } catch (error) {
            // 捕获 错误 Promise.reject() 这个
            console.log(error)
            this.loading = false
          } finally {
            //  不论执行try 还是catch  都去关闭转圈
            this.loading = false
          }
        }
      })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;
$light_gray: #ff0707;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  background-image: url("~@/assets/common/bj.jpg");
  background-position: center;
  #aaa{
    z-index: 9999 ;
  }
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;
    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.7); // 输入登录表单的背景色
    border-radius: 5px;
    color: #454545;
  }
  .el-form-item__error {
    color: #fff;
  }
  .particles-js-canvas-el{
    position: fixed;
    top: 1px;
    left: 1px;
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;
#particles-js {
  position: fixed;
  top: 0;
  left: 1px;
}
.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;
  .loginBtn {
    background: #407ffe;
    height: 64px;
    line-height: 32px;
    font-size: 24px;
  }
  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
